Finding the Fourth Proportional to 3,487,278.18, 5,230,771.47 and 1,213,317
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Solution
The fourth proportional to 3,487,278.18, 5,230,771.47 and 1,213,317 is: 1,819,924.77
Step by Step Solution
- Step 1: Write the proportion equation
3,487,278.18 : 5,230,771.47 = 1,213,317 : x - Step 2: Convert to fraction form
3,487,278.18/5,230,771.47 = 1,213,317/x - Step 3: Cross multiply
3,487,278.18x = 5,230,771.47 × 1,213,317 - Step 4: Simplify right side
3,487,278.18x = 6,346,583,947,665.99 - Step 5: Solve for x
x = 6,346,583,947,665.99/3,487,278.18 - Step 6: Final answer
x = 1,819,924.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.